<https://mckaytillage.com/product/p2207-1814/>
<http://schema.org/description>
"Part Number: P2207-1814 Concavity : 2.5”, Diameter : 22”, Gauge : 7, MM : 4.5 mm, Thickness : 0.177”, Weight/ea : 19 lbs, Dual or Single Punch : Dual, To"
<https://wiesetillage.com/product/p2207-1814/>